ok , here are some pics of the foam tires i am using , they are not great pics though sorry . the rim is larger , but the tire is a lower profile , you could make them lower if ya wanted . I wish i had a stock cooper body to show you guys better , but mine was modded to run fullsize rubber touring car tires ( I have a stock tamiya cooper body but it is not painted yet ) . So here ya go .
The last pic is of one where the foam is hiding behind a stock S grip , soft insert .

Your tires look like Jaco 24mm wide TC tires. I ran these on my Mini, purple compound on the rear plaid compound (purple inside with a narrow orange band on the outer edge) on the front. These were trued to 2.15" and you could use them until the foam was just about worn off. With the tires you have, purple and pink, I would run the purple up front and pink in the rear. The purples being a harder compound than the pinks. Since you don't have plaids watch for traction rolling.

Sadly Jaco no longer produces the 24mm wide TC tires. If you want to try standard 28mm wide TC tires on your Mini you will have to trim a couple of millimeters off of the inner edges.

I checked out muchhobby store , they carry a nice selection , but I was looking for Mini Cooper M03 parts , I can't seem any on that site , So does anyone have anyother sites that i could try (Canadian )

The pitch of the tamiya mini gears is 48, but it's a metric type 48 pitch belive it or not, there is a difference, the best thing to do is to buy the tamiya gears, that way there's no hassle. Other companies have 48 pitch gears, but they don't seem to mesh just right,and consequently creates a lot of noise and friction in the end....

The pitch of the tamiya mini gears is 48, but it's a metric type 48 pitch belive it or not, there is a difference, the best thing to do is to buy the tamiya gears, that way there's no hassle. Other companies have 48 pitch gears, but they don't seem to mesh just right,and consequently creates a lot of noise and friction in the end....

The Tamiya AV gears are 0.6 module, or 42 pitch. robinson racing makes some good pinions out of 42pitch however i dont use them cos they uses an imperial scale grub screw. would still go with Tamiya AV gears

48pitch and 42pitch will run but will cause a lot of friction until both are pretty worn or meshed in.

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to all who have mini coopers in so calif and want to have fun we started a cooper race at socal rc raceway in huington beach calif every tues nightwe use the johnson motor and no foam tires this way it fair so it is more the driver and set up come on in and check it out